Srinagar, September 2I (KNO) : The killing of three policemen has triggered a wave of resignations by the SPOs in various parts of South Kashmir with scores of SPOs taking to social sites to announce their resignations. The SPOs are releasing short vedeios on social networking sites to announce their resignations. The development comes soon the killing of three abducted cops by militants. The militant outfit Hizbul Mujahideen commander Reyaz Naikoo has asked SPOs to resign enmas.